| 主权项 |
1. An electronic plumbing fixture fitting, comprising:
a discharge outlet, the discharge outlet being operable to deliver water; and an electronic valve, the electronic valve being operable to permit flow of water through the discharge outlet when the electronic valve is activated and to not permit flow of water through the discharge outlet when the electronic valve is deactivated, the electronic valve including a piston and a seat; the piston including a body and a nose; the seat including a body, the body including a central opening extending therethrough; the electronic valve having a sealing zone, the sealing zone being a region where a sealing member on one of the piston and the seat interfaces with the other of the piston and the seat; the electronic valve having a flow control zone, at any given position of the piston relative to the seat, the flow control zone being a region where a portion of the piston interfaces with a portion of the seat; wherein the sealing zone is separate from the flow control zone. |
